Insert #pragma once when rewriting a header file.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46155 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index 17df87a..19c40d8 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -964,7 +964,7 @@
       return CreateASTSerializer(InFile, OutputFile, Diag, LangOpts);
       
     case RewriteTest:
-      return CreateCodeRewriterTest(Diag);
+      return CreateCodeRewriterTest(InFile, Diag);
   }
 }